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  • Research on evolution region of self-similar pulses in a dispersion-decreasing fiber

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    Accepted Manuscript (AM)
    Author(s)
    Zhang, Qiaofen
    Li, Huaizhong
    Wu, Liming
    Gao, Jian
    Wang, Guitang
    Deng, Yaohua
    Griffith University Author(s)
    Li, Huaizhong
    Year published
    2019
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    Abstract
    The relationship between the self-similar propagation region for single pulse and oscillation region for a pair of self-similar pulses are first investigated in our paper. By introducing self-similar coefficient F and RMS width ratio K, we find that self-similar propagation region starts from z = 1.8LD to z = 18LD while F ≤ 10%. The optimum output of self-similar pulse is also achieved when F and K reach a minimum value simultaneously at z = 3.5LD. The sinusoidal fit oscillation region of self-similar pulse pair ranges from 5/8LD to 2LD while F varies from 40.27 to 7.99%, and the dark soliton fit oscillation region ranges ...
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    The relationship between the self-similar propagation region for single pulse and oscillation region for a pair of self-similar pulses are first investigated in our paper. By introducing self-similar coefficient F and RMS width ratio K, we find that self-similar propagation region starts from z = 1.8LD to z = 18LD while F ≤ 10%. The optimum output of self-similar pulse is also achieved when F and K reach a minimum value simultaneously at z = 3.5LD. The sinusoidal fit oscillation region of self-similar pulse pair ranges from 5/8LD to 2LD while F varies from 40.27 to 7.99%, and the dark soliton fit oscillation region ranges from 2LD to 6LD while F varies from 7.99 to 5.32%, indicating that the sinusoidal fit oscillation region almost occurs before the pulses enter the self-similar propagation region and the dark soliton fit oscillation region occurs within the self-similar pulse propagation region. Furthermore, the oscillation characteristics of interacting pulses are also studied numerically by using split-step Fourier method. The results are beneficial in Dense Wavelength Division Multiplexing transmission system which is in heavy demands of light source in wide-range wavelength.
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    Journal Title
    OPTICAL AND QUANTUM ELECTRONICS
    Volume
    51
    Issue
    6
    DOI
    https://doi.org/10.1007/s11082-019-1908-7
    Copyright Statement
    © 2019 Springer Science+Business Media New York. This is an electronic version of an article published in Optical and Quantum Electronics, June 2019, 51:190. Optical and Quantum Electronics is available online at: http://link.springer.com/ with the open URL of your article.
    Subject
    Atomic, molecular and optical physics
    Publication URI
    http://hdl.handle.net/10072/385790
    Collection
    • Journal articles

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